<iframe width="580" height="385" src="https://www.youtube.com/embed/MeBNnbSHlzE" frameborder="0" allowfullscreen></iframe> <br>A COVID-19 vaccine trial in the US has delivered promising results in the first phase of testing. Subscribe: https://bit.ly/2noaGhv Get more breaking news at: ... <br><a href="https://www.youtube.com/watch?v=MeBNnbSHlzE">source</a>